74 citations · 255 across the 21 of their papers we have counts for
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math.NA2012★ 10 cited
The field of values bound on ideal GMRES
Jörg Liesen, Petr Tichý
A widely known result of Elman, and its improvements due to Starke, Eiermann and Ernst, gives a bound on the worst-case GMRES residual norm using quantities related to the field of…
math.NA2012★ 74 cited
A framework for deflated and augmented Krylov subspace methods
André Gaul, Martin H. Gutknecht, Jörg Liesen +1
We consider deflation and augmentation techniques for accelerating the convergence of Krylov subspace methods for the solution of nonsingular linear algebraic systems. Despite some…